172934444 has 6 divisors (see below), whose sum is σ = 302635284. Its totient is φ = 86467220.

The previous prime is 172934431. The next prime is 172934449. The reversal of 172934444 is 444439271.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 172934398 and 172934407.

It is not an unprimeable number, because it can be changed into a prime (172934449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21616802 + ... + 21616809.

It is an arithmetic number, because the mean of its divisors is an integer number (50439214).

Almost surely, 2^172934444 is an apocalyptic number.

It is an amenable number.

172934444 is a deficient number, since it is larger than the sum of its proper divisors (129700840).

172934444 is a wasteful number, since it uses less digits than its factorization.

172934444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43233615 (or 43233613 counting only the distinct ones).

The product of its digits is 96768, while the sum is 38.

The square root of 172934444 is about 13150.4541366449. The cubic root of 172934444 is about 557.1350748482.

The spelling of 172934444 in words is "one hundred seventy-two million, nine hundred thirty-four thousand, four hundred forty-four".